Neuropsychiatric researchers say that although traditional antidepressants can take weeks to work, depressed patients who are given BANANAS 'PAUSE BUTTON ON YOUR BRAIN' K-HOLE-INDUCING CLUB DRUG KETAMINE A.K.A. SPECIAL K feel relief from their depression "almost instantly." But could huge shots of heroin combined with a baseball bat to the head be equally effective? Ketamine-receiving patients say [just stares at the wall].